40W Pure Monster Sound - Monster S180 Bluetooth Speaker delivers 40W of dynamic stereo sound. Double up with two speakers for a true left-right channel experience. Tuned with Monster s professional audio expertise, this portable speaker delivers deep bass, clear highs, and balanced mids, ensuring distortion-free, high-fidelity sound at home, outdoors, or on the go. IPX6 Waterproof Protection - With IPX6 waterproof technology, Monster S180 Portable Speaker is built for any adventure. The rugged, splash-proof, and fully waterproof design means you can confidently use speaker by the pool, on the beach, camping, or hiking. Bring your portable wireless speaker anywhere.